Numerical simulation of the meniscus in non-isothermal free surface flow at the exit of a coating die

Sang Yeoun Yoo, Yogesh Jaluria

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The non-isothermal free surface flow at the exit of an optical fiber coating die is considered in this study, and the meniscus generated due to the moving surface is investigated numerically. The axial velocity and the viscosity are both lumped radially for simplification, and the force balance equation at each cross sectional area is used to correct the intermediate profiles. The fiber speed, a change in the die exit diameter, and thermal operating conditions are found to characterize the meniscus. The effect of a change in the inlet pressure on the meniscus becomes negligible as the speed increases.

Original languageEnglish (US)
Pages (from-to)111-131
Number of pages21
JournalNumerical Heat Transfer; Part A: Applications
Volume53
Issue number2
DOIs
StatePublished - Jan 2008

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Condensed Matter Physics

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